Linux Systems Administrator Senior

Type of Requisition:

Pipeline

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

BI Full 6C (T4)

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Linux, Structured Query Language (SQL), System Administration

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT has a requirement for an experienced Linux Systems Administrator Senior to join our Scientific Modeling, Application, Visualization, Computational Science, Software, and Statistical Support (SMAVCS4) Team to support the Environmental Protection Agency.  The role will support the Center for Computational Toxicology & Exposure (CCTE), a scientific organization working to support Agency decisions by providing solutions-driven research to rapidly evaluate the potential human health and environmental risks due to exposures to environmental chemicals and ensure the integrity of the freshwater environment and its capacity to support human well-being.

We are seeking an experienced Linux Systems Administrator Senior to join our team to provide dedicated support for the advancement of CCTE code level developers in their creation of public application that service the scientific community.

MAJOR RESPONSIBILITIES:

Configuring and maintaining the networked computer system, including hardware, system software, and applications.

• Ensuring data is stored securely and backed up regularly
• Diagnosing and resolving hardware, software, networking, and system issues when they arise
• Replacing and upgrading defective or outdated components as necessary
• Monitoring system performance to ensure everything runs smoothly and securely
• Hardware sizing, Landscape Architecture and Storage planning
• Planning and scheduling RHEL server upgrade/migration and Servers downtime
• Planning and scheduling Physical 2 Virtual (P2V) migration
• Installing and upgrading Atlassian Tools (Jira/Bitbucket/Confluence and Bamboo)
• Atlassian tools system migration and Database migration to PostgreSQL database
• Creating, updating, and organizing technical documentation and knowledge base for the team and other departments

QUALIFICATIONS:

Education:

• Technical Training, Certification(s) or Degree required
• BA/BS in Information Systems, Information Technology, or equivalent experience

Experience:

• 3+ years of related experience in professional IT required, 4-6+ years strongly preferred

Required Skills:

• Working closely with Functional and Technical teams for OS upgrade (RHEL 6.x,7.x to RHEL8.x, and RHEL9.x) and Windows Server
• Experienced in administering server-side technology and networked computing systems
• Experienced in remediation of computing systems from Nessus scanning tool.
• Familiarity with SQL PostgreSQL, and Mongo database operations
• Familiarity Atlassian product suite and its operations
• Previous experience with Intellj, Postman, VSCode, Node and ChemSketch
• Familiarity with Docker container operations
• Familiarity with application using for event monitoring and alerting tool to maintain server uptime, log capturing and security events.
• Requestion DigiCert’s and installing the SSL certificates from DigiCert’s

Beneficial:

• Experience working on Federal Sector Contracts
• Professional Certification(s)
• Familiarity with DevOps, ITIL Agile processes

CLEARANCE REQUIREMENTS:

• Security Clearance Level: must be able to obtain EPA Public Trust Level 4
• US Citizenship required

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Flexibility: Full-flex work week to own your priorities at work and at home
• Community: Award-winning culture